United States Federal Circuit

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In Re: Wang, 17-1827

Appeal from the Patent Trial and Appeal Board which rejected certain patent claims as directed to non-statutory subject matter under 35 USC section 101. Plaintiff sought to patent a different phonetic symbol system that mapped letters to sounds. Court of Appeals affirmed the rejection stating that a patent is available per section 101, if it is a process, machine, manufacture or composition of matter, or an improvement thereof. Further, it must be in a physical or tangible form.

Appellate Information

  • Argued
  • Submitted
  • Decided
  • Published 2018/06/20




  • United States Federal Circuit


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